.top_ul {
  margin-top: 0.01rem;
}
.top_ul ul li {
  width: 25%;
  height: 0.52rem;
  font-size: 0.2rem;
  display: inline-block;
  line-height: 0.52rem;
  text-align: center;
  color: #ffffff;
}
.top_ul ul a:nth-child(odd) li {
  background-color: #00bde5;
}
.top_ul ul a:nth-child(even) li {
  background-color: #0793ff;
}